Author:
Dong Xiao-Lin ,Xiao Hu ,Ma Yan-Xing ,Zhou Pu ,Guo Shao-Feng ,
Abstract
Experimental study on all-fiber polarization maintaining master oscillator power amplifier fiber laser is performed. A 5 m small core diameter double clad polarization-maintaining Yb-doped fiber is employed in the experiment by means of two-level cascade amplification. A more than 67 W polarization maintaining laser is obtained under a maximal 88 W pump power. In this case, the laser density in the fiber core is about 3.4 W/m2, and the optical-to-optical efficiency is 76%. A higher power laser output can be realized as the pump power is further enhanced.
Publisher
Acta Physica Sinica, Chinese Physical Society and Institute of Physics, Chinese Academy of Sciences
Subject
General Physics and Astronomy
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